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Finding the Fourth Proportional to 502,682.80, 754,561.38 and 203,359.04

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Solution

The fourth proportional to 502,682.80, 754,561.38 and 203,359.04 is: 305,255.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,682.80 : 754,561.38 = 203,359.04 : x
  2. Step 2: Convert to fraction form
    502,682.80/754,561.38 = 203,359.04/x
  3. Step 3: Cross multiply
    502,682.80x = 754,561.38 × 203,359.04
  4. Step 4: Simplify right side
    502,682.80x = 153,446,877,857.88
  5. Step 5: Solve for x
    x = 153,446,877,857.88/502,682.80
  6. Step 6: Final answer
    x = 305,255.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.